A group of female humans who could give power boosts to Transformers simply by kissing them. The manga they star in stirred quite a bit of controversy. They were also a music group that promoted human/transformer peace and members of the Earth Defense Command

A list of people who won't reveal their past even though it might be revealed later. Who knows, it could either be an extrordinary timeframe, an emberassing childhood or an shockingly dark chain of events.